[Reducing Mosaic]ROE-483 After all family members have left the nest, spending incestuous days with mother at the old home―. Mikumo Ayaha

Kenji was born as the second son of three brothers. To his mother, Sayoha, he seemed like a child who didn't require much attention... But one spring, his older brother got a job and moved out, his younger brother enrolled in a boarding school, and his father went on a business trip alone. Life suddenly changed, and Kenji and Sayoha began living together as just the two of them. The once lively home suddenly became quiet, and Ayaka felt a sense of loss… Seeing his mother like this, Kenji felt resentment and emptiness towards his siblings' attention, trying to monopolize his mother's love.